Ascension Technology
has developed a diverse line of magnetic, inertial and optical trackers from Ascension's original Flock of Birds offering highly accurate magnetic tracking of several sensors mounted on heads, hands or instruments, to the company's newest product, the ReActor full-body optical (infrared) workstation These devices are designed to instantaneously track the position and orientation of one or more sensors for real-time analysis, interaction and control of computer processes.